Optics: measuring and testing – Sample – specimen – or standard holder or support
Patent
1985-02-22
1987-06-23
McGraw, Vincent P.
Optics: measuring and testing
Sample, specimen, or standard holder or support
G01N 2101
Patent
active
046748768
ABSTRACT:
A cell for spectroscopy allow examination of a sample under wide ranges of temperature and pressure conditions and by different modes of operation. A sample to be examined is housed at the end of a probe (1) which projects into and is enclosed within a housing. Heating and/or refrigerating means can act on the sample, which may be mounted so that radiation emitted through a window in the housing emanates from the part of the sample nearest the heating or refrigerating means. The probe has a wall of a thickness which diminishes along its length away from the end and the housing has a wall of a thickness which increases in the same direction. An end cap of the housing is removable and replaceable by other end caps having e.g. mirrors to enable reflection spectroscopy or further refrigerating means.
REFERENCES:
patent: 3869215 (1975-03-01), Nolan
patent: 4158772 (1979-06-01), Reedy
Andereev et al., "Universal Cryostat Attachment for the SF-4A Spectrophotometer" in Strum-Exp. Tech. (U.S.A.), vol. 21, #6, Nov.-Dec. 1978 (Pub. Jun. 1979), pp. 1658-1659.
Krauss et al., "Temperature Regulating Device for Infrared Spectroscopy" Monthly Technical Review, vol. 15, #8, Aug. 1971, pp. 159-160.
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